void SubscribeToScheduleInboxChannel()
{
cluster.UnsubscribeChannel(ActorInboxCommon.ClusterScheduleNotifyKey(actor.Id));
cluster.SubscribeToChannel <string>(ActorInboxCommon.ClusterScheduleNotifyKey(actor.Id)).Subscribe(msg => scheduledItems++);
// We want the check done asyncronously, in case the setup function creates child processes that
// won't exist if we invoke directly.
// TODO: Consider the implications of race condition here --- will probably need some large 'clear out' process that does a query
// on the cluster. Or maybe this internal counter isn't the best approach.
scheduledItems = cluster.GetHashFields(ActorInboxCommon.ClusterScheduleKey(actor.Id)).Count;
}
